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Intraosseous Schwannoma: Case Report and Review of the Literature.
Rev Bras Ortop (Sao Paulo). 2020 Apr; 55(2):258-262.RB

Abstract

Schwannoma is a benign neural sheath tumor of the soft tissue, and its intraosseous presentation is very rare. It is estimated that intraosseous schwannomas represent 0.2% of all bone tumors. The tumor may affect any site of the skeleton, including the mandible, the sacrum, vertebral bodies, the ulna, the humerus, the femur, the tibia, the patella, the scapula, the ribs, and small bones of the hand. The involvement of the calcaneus has only been reported four times in the literature. The present study reports the case of a 49-year-old male with right hindfoot pain and a radiological finding of an osteolytic bone lesion in the calcaneus. The diagnosis was confirmed by histopathological study. The treatment of choice was an intralesional resection with adjuvant local control, and bone defect substitution with polymethylmethacrylate and fixation with two cannulated screws. The patient had a satisfactory postoperative evolution; after 1 year, he is asymptomatic, with good functional response and no evidence of disease. The present case report shows the clinical, radiological, and pathological features of a rare benign bone neoplasm. Moreover, intraosseous schwannoma should be included in the differential diagnosis of osteolytic calcaneal lesions.

Authors+Show Affiliations

Hospital AC Camargo Câncer Center de São Paulo, São Paulo, SP, Brasil.Hospital AC Camargo Câncer Center de São Paulo, São Paulo, SP, Brasil.Hospital AC Camargo Câncer Center de São Paulo, São Paulo, SP, Brasil.Hospital AC Camargo Câncer Center de São Paulo, São Paulo, SP, Brasil.Hospital AC Camargo Câncer Center de São Paulo, São Paulo, SP, Brasil.Hospital AC Camargo Câncer Center de São Paulo, São Paulo, SP, Brasil.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

32346205

Citation

Drumond, Gustavo Costalonga, et al. "Intraosseous Schwannoma: Case Report and Review of the Literature." Revista Brasileira De Ortopedia, vol. 55, no. 2, 2020, pp. 258-262.
Drumond GC, Nakagawa SA, Costa FD, et al. Intraosseous Schwannoma: Case Report and Review of the Literature. Rev Bras Ortop (Sao Paulo). 2020;55(2):258-262.
Drumond, G. C., Nakagawa, S. A., Costa, F. D., de Souza, M. Y. T., Comunello, J., & Chung, W. T. (2020). Intraosseous Schwannoma: Case Report and Review of the Literature. Revista Brasileira De Ortopedia, 55(2), 258-262. https://doi.org/10.1016/j.rbo.2018.02.003
Drumond GC, et al. Intraosseous Schwannoma: Case Report and Review of the Literature. Rev Bras Ortop (Sao Paulo). 2020;55(2):258-262. PubMed PMID: 32346205.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Intraosseous Schwannoma: Case Report and Review of the Literature. AU - Drumond,Gustavo Costalonga, AU - Nakagawa,Suely Akiko, AU - Costa,Felipe D'Almeida, AU - de Souza,Murilo Yokoo Teodoro, AU - Comunello,Juliane, AU - Chung,Wu Tu, Y1 - 2019/12/19/ PY - 2017/10/16/received PY - 2018/02/21/accepted PY - 2020/4/30/entrez PY - 2020/4/30/pubmed PY - 2020/4/30/medline KW - bone neoplasms KW - calcaneus KW - neurilemmoma SP - 258 EP - 262 JF - Revista brasileira de ortopedia JO - Rev Bras Ortop (Sao Paulo) VL - 55 IS - 2 N2 - Schwannoma is a benign neural sheath tumor of the soft tissue, and its intraosseous presentation is very rare. It is estimated that intraosseous schwannomas represent 0.2% of all bone tumors. The tumor may affect any site of the skeleton, including the mandible, the sacrum, vertebral bodies, the ulna, the humerus, the femur, the tibia, the patella, the scapula, the ribs, and small bones of the hand. The involvement of the calcaneus has only been reported four times in the literature. The present study reports the case of a 49-year-old male with right hindfoot pain and a radiological finding of an osteolytic bone lesion in the calcaneus. The diagnosis was confirmed by histopathological study. The treatment of choice was an intralesional resection with adjuvant local control, and bone defect substitution with polymethylmethacrylate and fixation with two cannulated screws. The patient had a satisfactory postoperative evolution; after 1 year, he is asymptomatic, with good functional response and no evidence of disease. The present case report shows the clinical, radiological, and pathological features of a rare benign bone neoplasm. Moreover, intraosseous schwannoma should be included in the differential diagnosis of osteolytic calcaneal lesions. SN - 0102-3616 UR - https://www.unboundmedicine.com/medline/citation/32346205/Intraosseous_Schwannoma:_Case_Report_and_Review_of_the_Literature L2 - http://www.thieme-connect.com/DOI/DOI?10.1016/j.rbo.2018.02.003 DB - PRIME DP - Unbound Medicine ER -
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